adulau/aha
1
0
Fork 0
mirror of https://github.com/adulau/aha.git synced 2024-12-29 12:16:20 +00:00
Code Issues Projects Releases Packages Wiki Activity

V4L/DVB (3932): Convert lnbp21 to a module

Browse source 
Convert lnbp21.h into a linux kernel module.
Fix up previous users to use it.
Convert dvb-ttusb-budget to use it.

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Andrew de Quincey 2006-04-27 21:45:01 -03:00 committed by Mauro Carvalho Chehab
parent 972c3517b7
commit d020542fda
10 changed files with 169 additions and 127 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/media/dvb/frontends/Kconfig
View file

@ -216,4 +216,14 @@ config DVB_LGDT330X
An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
to support this frontend.
comment "Miscellaneous devices"
depends on DVB_CORE
config DVB_LNBP21
tristate "LNBP21 SEC controller"
depends on DVB_CORE
help
An SEC control chip.
endmenu

1
drivers/media/dvb/frontends/Makefile
View file

@ -31,3 +31,4 @@ obj-$(CONFIG_DVB_BCM3510) += bcm3510.o
obj-$(CONFIG_DVB_S5H1420) += s5h1420.o
obj-$(CONFIG_DVB_LGDT330X) += lgdt330x.o
obj-$(CONFIG_DVB_CX24123) += cx24123.o
obj-$(CONFIG_DVB_LNBP21) += lnbp21.o

145
drivers/media/dvb/frontends/lnbp21.c Normal file
View file

@ -0,0 +1,145 @@
/*
* lnbp21.h - driver for lnb supply and control ic lnbp21
*
* Copyright (C) 2006 Oliver Endriss
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
*
*
* the project's page is at http://www.linuxtv.org
*/
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/string.h>
#include <linux/slab.h>
#include "dvb_frontend.h"
#include "lnbp21.h"
struct lnbp21 {
u8 config;
u8 override_or;
u8 override_and;
struct i2c_adapter *i2c;
void (*release_chain)(struct dvb_frontend* fe);
};
static int lnbp21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
{
struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
struct i2c_msg msg = { .addr = 0x08, .flags = 0,
.buf = &lnbp21->config,
.len = sizeof(lnbp21->config) };
lnbp21->config &= ~(LNBP21_VSEL | LNBP21_EN);
switch(voltage) {
case SEC_VOLTAGE_OFF:
break;
case SEC_VOLTAGE_13:
lnbp21->config |= LNBP21_EN;
break;
case SEC_VOLTAGE_18:
lnbp21->config |= (LNBP21_EN | LNBP21_VSEL);
break;
default:
return -EINVAL;
};
lnbp21->config |= lnbp21->override_or;
lnbp21->config &= lnbp21->override_and;
return (i2c_transfer(lnbp21->i2c, &msg, 1) == 1) ? 0 : -EIO;
}
static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
{
struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
struct i2c_msg msg = { .addr = 0x08, .flags = 0,
.buf = &lnbp21->config,
.len = sizeof(lnbp21->config) };
if (arg)
lnbp21->config |= LNBP21_LLC;
else
lnbp21->config &= ~LNBP21_LLC;
lnbp21->config |= lnbp21->override_or;
lnbp21->config &= lnbp21->override_and;
return (i2c_transfer(lnbp21->i2c, &msg, 1) == 1) ? 0 : -EIO;
}
static void lnbp21_release(struct dvb_frontend *fe)
{
struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
/* LNBP power off */
lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF);
/* free data & call next release routine */
fe->ops->release = lnbp21->release_chain;
kfree(fe->misc_priv);
fe->misc_priv = NULL;
if (fe->ops->release)
fe->ops->release(fe);
}
int lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
{
struct lnbp21 *lnbp21 = kmalloc(sizeof(struct lnbp21), GFP_KERNEL);
if (!lnbp21)
return -ENOMEM;
/* default configuration */
lnbp21->config = LNBP21_ISEL;
lnbp21->i2c = i2c;
fe->misc_priv = lnbp21;
/* bits which should be forced to '1' */
lnbp21->override_or = override_set;
/* bits which should be forced to '0' */
lnbp21->override_and = ~override_clear;
/* detect if it is present or not */
if (lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF)) {
kfree(lnbp21);
fe->misc_priv = NULL;
return -EIO;
}
/* install release callback */
lnbp21->release_chain = fe->ops->release;
fe->ops->release = lnbp21_release;
/* override frontend ops */
fe->ops->set_voltage = lnbp21_set_voltage;
fe->ops->enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
return 0;
}
EXPORT_SYMBOL(lnbp21_attach);
MODULE_DESCRIPTION("Driver for lnb supply and control ic lnbp21");
MODULE_AUTHOR("Oliver Endriss");
MODULE_LICENSE("GPL");

102
drivers/media/dvb/frontends/lnbp21.h
View file

@ -27,7 +27,7 @@
#ifndef _LNBP21_H
#define _LNBP21_H
/* system register */
/* system register bits */
#define LNBP21_OLF 0x01
#define LNBP21_OTF 0x02
#define LNBP21_EN 0x04
@ -37,103 +37,9 @@
#define LNBP21_ISEL 0x40
#define LNBP21_PCL 0x80
struct lnbp21 {
u8 config;
u8 override_or;
u8 override_and;
struct i2c_adapter *i2c;
void (*release_chain)(struct dvb_frontend* fe);
};
#include <linux/dvb/frontend.h>
static int lnbp21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
{
struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
struct i2c_msg msg = { .addr = 0x08, .flags = 0,
.buf = &lnbp21->config,
.len = sizeof(lnbp21->config) };
lnbp21->config &= ~(LNBP21_VSEL | LNBP21_EN);
switch(voltage) {
case SEC_VOLTAGE_OFF:
break;
case SEC_VOLTAGE_13:
lnbp21->config |= LNBP21_EN;
break;
case SEC_VOLTAGE_18:
lnbp21->config |= (LNBP21_EN | LNBP21_VSEL);
break;
default:
return -EINVAL;
};
lnbp21->config |= lnbp21->override_or;
lnbp21->config &= lnbp21->override_and;
return (i2c_transfer(lnbp21->i2c, &msg, 1) == 1) ? 0 : -EIO;
}
static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
{
struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
struct i2c_msg msg = { .addr = 0x08, .flags = 0,
.buf = &lnbp21->config,
.len = sizeof(lnbp21->config) };
if (arg)
lnbp21->config |= LNBP21_LLC;
else
lnbp21->config &= ~LNBP21_LLC;
lnbp21->config |= lnbp21->override_or;
lnbp21->config &= lnbp21->override_and;
return (i2c_transfer(lnbp21->i2c, &msg, 1) == 1) ? 0 : -EIO;
}
static void lnbp21_exit(struct dvb_frontend *fe)
{
struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
/* LNBP power off */
lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF);
/* free data & call next release routine */
fe->ops->release = lnbp21->release_chain;
kfree(fe->misc_priv);
fe->misc_priv = NULL;
if (fe->ops->release)
fe->ops->release(fe);
}
static int lnbp21_init(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
{
struct lnbp21 *lnbp21 = kmalloc(sizeof(struct lnbp21), GFP_KERNEL);
if (!lnbp21)
return -ENOMEM;
/* default configuration */
lnbp21->config = LNBP21_ISEL;
/* bits which should be forced to '1' */
lnbp21->override_or = override_set;
/* bits which should be forced to '0' */
lnbp21->override_and = ~override_clear;
/* install release callback */
lnbp21->release_chain = fe->ops->release;
fe->ops->release = lnbp21_exit;
/* override frontend ops */
fe->ops->set_voltage = lnbp21_set_voltage;
fe->ops->enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
lnbp21->i2c = i2c;
fe->misc_priv = lnbp21;
return lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF);
}
/* override_set and override_clear control which system register bits (above) to always set & clear */
extern int lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear);
#endif

3
drivers/media/dvb/ttpci/Kconfig
View file

@ -10,6 +10,7 @@ config DVB_AV7110
select DVB_SP8870
select DVB_STV0297
select DVB_L64781
select DVB_LNBP21
help
Support for SAA7146 and AV7110 based DVB cards as produced
by Fujitsu-Siemens, Technotrend, Hauppauge and others.
@ -67,6 +68,7 @@ config DVB_BUDGET
select DVB_TDA8083
select DVB_TDA10021
select DVB_S5H1420
select DVB_LNBP21
help
Support for simple SAA7146 based DVB cards
(so called Budget- or Nova-PCI cards) without onboard
@ -84,6 +86,7 @@ config DVB_BUDGET_CI
select DVB_STV0297
select DVB_STV0299
select DVB_TDA1004X
select DVB_LNBP21
help
Support for simple SAA7146 based DVB cards
(so called Budget- or Nova-PCI cards) without onboard

2
drivers/media/dvb/ttpci/av7110.c
View file

@ -2223,7 +2223,7 @@ static int frontend_init(struct av7110 *av7110)
av7110->fe->ops->tuner_ops.set_params = alps_bsbe1_tuner_set_params;
av7110->fe->tuner_priv = &av7110->i2c_adap;
if (lnbp21_init(av7110->fe, &av7110->i2c_adap, 0, 0)) {
if (lnbp21_attach(av7110->fe, &av7110->i2c_adap, 0, 0)) {
printk("dvb-ttpci: LNBP21 not found!\n");
if (av7110->fe->ops->release)
av7110->fe->ops->release(av7110->fe);

2
drivers/media/dvb/ttpci/budget-ci.c
View file

@ -1043,7 +1043,7 @@ static void frontend_init(struct budget_ci *budget_ci)
budget_ci->budget.dvb_frontend->tuner_priv = &budget_ci->budget.i2c_adap;
budget_ci->budget.dvb_frontend->ops->dishnetwork_send_legacy_command = NULL;
if (lnbp21_init(budget_ci->budget.dvb_frontend, &budget_ci->budget.i2c_adap, LNBP21_LLC, 0)) {
if (lnbp21_attach(budget_ci->budget.dvb_frontend, &budget_ci->budget.i2c_adap, LNBP21_LLC, 0)) {
printk("%s: No LNBP21 found!\n", __FUNCTION__);
if (budget_ci->budget.dvb_frontend->ops->release)
budget_ci->budget.dvb_frontend->ops->release(budget_ci->budget.dvb_frontend);

2
drivers/media/dvb/ttpci/budget.c
View file

@ -423,7 +423,7 @@ static void frontend_init(struct budget *budget)
budget->dvb_frontend = s5h1420_attach(&s5h1420_config, &budget->i2c_adap);
if (budget->dvb_frontend) {
budget->dvb_frontend->ops->tuner_ops.set_params = s5h1420_tuner_set_params;
if (lnbp21_init(budget->dvb_frontend, &budget->i2c_adap, 0, 0)) {
if (lnbp21_attach(budget->dvb_frontend, &budget->i2c_adap, 0, 0)) {
printk("%s: No LNBP21 found!\n", __FUNCTION__);
goto error_out;
}

1
drivers/media/dvb/ttusb-budget/Kconfig
View file

@ -6,6 +6,7 @@ config DVB_TTUSB_BUDGET
select DVB_VES1820
select DVB_TDA8083
select DVB_STV0299
select DVB_LNBP21
help
Support for external USB adapters designed by Technotrend and
produced by Hauppauge, shipped under the brand name 'Nova-USB'.

28
drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
View file

@ -30,6 +30,7 @@
#include "tda1004x.h"
#include "stv0299.h"
#include "tda8083.h"
#include "lnbp21.h"
#include <linux/dvb/frontend.h>
#include <linux/dvb/dmx.h>
@ -486,31 +487,6 @@ static int ttusb_send_diseqc(struct dvb_frontend* fe,
}
#endif
static int lnbp21_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
{
struct ttusb* ttusb = (struct ttusb*) fe->dvb->priv;
int ret;
u8 data[1];
struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = data, .len = sizeof(data) };
switch(voltage) {
case SEC_VOLTAGE_OFF:
data[0] = 0x00;
break;
case SEC_VOLTAGE_13:
data[0] = 0x44;
break;
case SEC_VOLTAGE_18:
data[0] = 0x4c;
break;
default:
return -EINVAL;
};
ret = i2c_transfer(&ttusb->i2c_adap, &msg, 1);
return (ret != 1) ? -EIO : 0;
}
static int ttusb_update_lnb(struct ttusb *ttusb)
{
u8 b[] = { 0xaa, ++ttusb->c, 0x16, 5, /*power: */ 1,
@ -1415,7 +1391,7 @@ static void frontend_init(struct ttusb* ttusb)
if(ttusb->revision == TTUSB_REV_2_2) { // ALPS BSBE1
alps_stv0299_config.inittab = alps_bsbe1_inittab;
ttusb->fe->ops->set_voltage = lnbp21_set_voltage;
lnbp21_attach(ttusb->fe, &ttusb->i2c_adap, 0, 0);
} else { // ALPS BSRU6
ttusb->fe->ops->set_voltage = ttusb_set_voltage;
}